Because of a false association with words such as elevate and energy, enervate is often used to mean 'invigorate'. It actually means the opposite: to drain and weaken: The climate in hot countries can be depressing and enervating. To invigorate someone or something thus means to give them vigour and energy: The freshness of the morning invigorated me as I walked.
The maple leaf is a traditional Canadian emblem. Red recalls Canadian lives lost during World War I. White stands for snow. Effective date: 15 February 1965.